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544 lines
20 KiB
544 lines
20 KiB
import { parse } from 'compiler/parser/index'
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import { extend } from 'shared/util'
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import { baseOptions } from 'web/compiler/index'
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import { isIE } from 'core/util/env'
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describe('parser', () => {
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it('simple element', () => {
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const ast = parse('<h1>hello world</h1>', baseOptions)
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expect(ast.tag).toBe('h1')
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expect(ast.plain).toBe(true)
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expect(ast.children[0].text).toBe('hello world')
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})
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it('interpolation in element', () => {
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const ast = parse('<h1>{{msg}}</h1>', baseOptions)
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expect(ast.tag).toBe('h1')
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expect(ast.plain).toBe(true)
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expect(ast.children[0].expression).toBe('_s(msg)')
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})
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it('child elements', () => {
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const ast = parse('<ul><li>hello world</li></ul>', baseOptions)
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expect(ast.tag).toBe('ul')
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expect(ast.plain).toBe(true)
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expect(ast.children[0].tag).toBe('li')
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expect(ast.children[0].plain).toBe(true)
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expect(ast.children[0].children[0].text).toBe('hello world')
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expect(ast.children[0].parent).toBe(ast)
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})
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it('unary element', () => {
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const ast = parse('<hr>', baseOptions)
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expect(ast.tag).toBe('hr')
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expect(ast.plain).toBe(true)
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expect(ast.children.length).toBe(0)
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})
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it('svg element', () => {
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const ast = parse('<svg><text>hello world</text></svg>', baseOptions)
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expect(ast.tag).toBe('svg')
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expect(ast.ns).toBe('svg')
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expect(ast.plain).toBe(true)
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expect(ast.children[0].tag).toBe('text')
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expect(ast.children[0].children[0].text).toBe('hello world')
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expect(ast.children[0].parent).toBe(ast)
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})
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it('camelCase element', () => {
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const ast = parse('<MyComponent><p>hello world</p></MyComponent>', baseOptions)
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expect(ast.tag).toBe('MyComponent')
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expect(ast.plain).toBe(true)
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expect(ast.children[0].tag).toBe('p')
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expect(ast.children[0].plain).toBe(true)
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expect(ast.children[0].children[0].text).toBe('hello world')
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expect(ast.children[0].parent).toBe(ast)
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})
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it('forbidden element', () => {
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// style
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const styleAst = parse('<style>error { color: red; }</style>', baseOptions)
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expect(styleAst.tag).toBe('style')
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expect(styleAst.plain).toBe(true)
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expect(styleAst.forbidden).toBe(true)
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expect(styleAst.children[0].text).toBe('error { color: red; }')
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expect('Templates should only be responsible for mapping the state').toHaveBeenWarned()
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// script
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const scriptAst = parse('<script type="text/javascript">alert("hello world!")</script>', baseOptions)
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expect(scriptAst.tag).toBe('script')
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expect(scriptAst.plain).toBe(false)
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expect(scriptAst.forbidden).toBe(true)
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expect(scriptAst.children[0].text).toBe('alert("hello world!")')
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expect('Templates should only be responsible for mapping the state').toHaveBeenWarned()
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})
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it('not contain root element', () => {
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parse('hello world', baseOptions)
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expect('Component template requires a root element, rather than just text').toHaveBeenWarned()
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})
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it('warn text before root element', () => {
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parse('before root {{ interpolation }}<div></div>', baseOptions)
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expect('text "before root {{ interpolation }}" outside root element will be ignored.').toHaveBeenWarned()
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})
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it('warn text after root element', () => {
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parse('<div></div>after root {{ interpolation }}', baseOptions)
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expect('text "after root {{ interpolation }}" outside root element will be ignored.').toHaveBeenWarned()
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})
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it('warn multiple root elements', () => {
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parse('<div></div><div></div>', baseOptions)
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expect('Component template should contain exactly one root element').toHaveBeenWarned()
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})
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it('remove duplicate whitespace text nodes caused by comments', () => {
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const ast = parse(`<div><a></a> <!----> <a></a></div>`, baseOptions)
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expect(ast.children.length).toBe(3)
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expect(ast.children[0].tag).toBe('a')
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expect(ast.children[1].text).toBe(' ')
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expect(ast.children[2].tag).toBe('a')
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})
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it('remove text nodes between v-if conditions', () => {
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const ast = parse(`<div><div v-if="1"></div> <div v-else-if="2"></div> <div v-else></div> <span></span></div>`, baseOptions)
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expect(ast.children.length).toBe(3)
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expect(ast.children[0].tag).toBe('div')
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expect(ast.children[0].ifConditions.length).toBe(3)
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expect(ast.children[1].text).toBe(' ') // text
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expect(ast.children[2].tag).toBe('span')
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})
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it('warn non whitespace text between v-if conditions', () => {
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parse(`<div><div v-if="1"></div> foo <div v-else></div></div>`, baseOptions)
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expect(`text "foo" between v-if and v-else(-if) will be ignored`).toHaveBeenWarned()
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})
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it('not warn 2 root elements with v-if and v-else', () => {
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parse('<div v-if="1"></div><div v-else></div>', baseOptions)
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expect('Component template should contain exactly one root element')
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.not.toHaveBeenWarned()
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})
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it('not warn 3 root elements with v-if, v-else-if and v-else', () => {
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parse('<div v-if="1"></div><div v-else-if="2"></div><div v-else></div>', baseOptions)
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expect('Component template should contain exactly one root element')
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.not.toHaveBeenWarned()
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})
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it('not warn 2 root elements with v-if and v-else on separate lines', () => {
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parse(`
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<div v-if="1"></div>
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<div v-else></div>
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`, baseOptions)
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expect('Component template should contain exactly one root element')
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.not.toHaveBeenWarned()
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})
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it('not warn 3 or more root elements with v-if, v-else-if and v-else on separate lines', () => {
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parse(`
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<div v-if="1"></div>
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<div v-else-if="2"></div>
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<div v-else></div>
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`, baseOptions)
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expect('Component template should contain exactly one root element')
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.not.toHaveBeenWarned()
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parse(`
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<div v-if="1"></div>
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<div v-else-if="2"></div>
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<div v-else-if="3"></div>
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<div v-else-if="4"></div>
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<div v-else></div>
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`, baseOptions)
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expect('Component template should contain exactly one root element')
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.not.toHaveBeenWarned()
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})
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it('generate correct ast for 2 root elements with v-if and v-else on separate lines', () => {
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const ast = parse(`
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<div v-if="1"></div>
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<p v-else></p>
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`, baseOptions)
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expect(ast.tag).toBe('div')
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expect(ast.ifConditions[1].block.tag).toBe('p')
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})
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it('generate correct ast for 3 or more root elements with v-if and v-else on separate lines', () => {
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const ast = parse(`
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<div v-if="1"></div>
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<span v-else-if="2"></span>
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<p v-else></p>
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`, baseOptions)
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expect(ast.tag).toBe('div')
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expect(ast.ifConditions[0].block.tag).toBe('div')
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expect(ast.ifConditions[1].block.tag).toBe('span')
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expect(ast.ifConditions[2].block.tag).toBe('p')
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const astMore = parse(`
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<div v-if="1"></div>
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<span v-else-if="2"></span>
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<div v-else-if="3"></div>
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<span v-else-if="4"></span>
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<p v-else></p>
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`, baseOptions)
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expect(astMore.tag).toBe('div')
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expect(astMore.ifConditions[0].block.tag).toBe('div')
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expect(astMore.ifConditions[1].block.tag).toBe('span')
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expect(astMore.ifConditions[2].block.tag).toBe('div')
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expect(astMore.ifConditions[3].block.tag).toBe('span')
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expect(astMore.ifConditions[4].block.tag).toBe('p')
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})
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it('warn 2 root elements with v-if', () => {
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parse('<div v-if="1"></div><div v-if="2"></div>', baseOptions)
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expect('Component template should contain exactly one root element').toHaveBeenWarned()
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})
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it('warn 3 root elements with v-if and v-else on first 2', () => {
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parse('<div v-if="1"></div><div v-else></div><div></div>', baseOptions)
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expect('Component template should contain exactly one root element').toHaveBeenWarned()
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})
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it('warn 3 root elements with v-if and v-else-if on first 2', () => {
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parse('<div v-if="1"></div><div v-else-if></div><div></div>', baseOptions)
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expect('Component template should contain exactly one root element').toHaveBeenWarned()
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})
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it('warn 4 root elements with v-if, v-else-if and v-else on first 2', () => {
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parse('<div v-if="1"></div><div v-else-if></div><div v-else></div><div></div>', baseOptions)
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expect('Component template should contain exactly one root element').toHaveBeenWarned()
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})
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it('warn 2 root elements with v-if and v-else with v-for on 2nd', () => {
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parse('<div v-if="1"></div><div v-else v-for="i in [1]"></div>', baseOptions)
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expect('Cannot use v-for on stateful component root element because it renders multiple elements')
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.toHaveBeenWarned()
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})
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it('warn 2 root elements with v-if and v-else-if with v-for on 2nd', () => {
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parse('<div v-if="1"></div><div v-else-if="2" v-for="i in [1]"></div>', baseOptions)
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expect('Cannot use v-for on stateful component root element because it renders multiple elements')
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.toHaveBeenWarned()
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})
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it('warn <template> as root element', () => {
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parse('<template></template>', baseOptions)
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expect('Cannot use <template> as component root element').toHaveBeenWarned()
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})
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it('warn <slot> as root element', () => {
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parse('<slot></slot>', baseOptions)
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expect('Cannot use <slot> as component root element').toHaveBeenWarned()
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})
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it('warn v-for on root element', () => {
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parse('<div v-for="item in items"></div>', baseOptions)
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expect('Cannot use v-for on stateful component root element').toHaveBeenWarned()
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})
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it('warn <template> key', () => {
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parse('<div><template v-for="i in 10" :key="i"></template></div>', baseOptions)
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expect('<template> cannot be keyed').toHaveBeenWarned()
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})
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it('v-pre directive', () => {
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const ast = parse('<div v-pre id="message1"><p>{{msg}}</p></div>', baseOptions)
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expect(ast.pre).toBe(true)
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expect(ast.attrs[0].name).toBe('id')
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expect(ast.attrs[0].value).toBe('"message1"')
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expect(ast.children[0].children[0].text).toBe('{{msg}}')
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})
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it('v-for directive basic syntax', () => {
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const ast = parse('<ul><li v-for="item in items"></li></ul>', baseOptions)
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const liAst = ast.children[0]
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expect(liAst.for).toBe('items')
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expect(liAst.alias).toBe('item')
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})
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it('v-for directive iteration syntax', () => {
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const ast = parse('<ul><li v-for="(item, index) in items"></li></ul>', baseOptions)
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const liAst = ast.children[0]
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expect(liAst.for).toBe('items')
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expect(liAst.alias).toBe('item')
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expect(liAst.iterator1).toBe('index')
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expect(liAst.iterator2).toBeUndefined()
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})
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it('v-for directive iteration syntax (multiple)', () => {
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const ast = parse('<ul><li v-for="(item, key, index) in items"></li></ul>', baseOptions)
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const liAst = ast.children[0]
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expect(liAst.for).toBe('items')
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expect(liAst.alias).toBe('item')
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expect(liAst.iterator1).toBe('key')
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expect(liAst.iterator2).toBe('index')
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})
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it('v-for directive key', () => {
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const ast = parse('<ul><li v-for="item in items" :key="item.uid"></li></ul>', baseOptions)
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const liAst = ast.children[0]
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expect(liAst.for).toBe('items')
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expect(liAst.alias).toBe('item')
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expect(liAst.key).toBe('item.uid')
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})
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it('v-for directive invalid syntax', () => {
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parse('<ul><li v-for="item into items"></li></ul>', baseOptions)
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expect('Invalid v-for expression').toHaveBeenWarned()
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})
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it('v-if directive syntax', () => {
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const ast = parse('<p v-if="show">hello world</p>', baseOptions)
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expect(ast.if).toBe('show')
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expect(ast.ifConditions[0].exp).toBe('show')
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})
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it('v-else-if directive syntax', () => {
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const ast = parse('<div><p v-if="show">hello</p><span v-else-if="2">elseif</span><p v-else>world</p></div>', baseOptions)
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const ifAst = ast.children[0]
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const conditionsAst = ifAst.ifConditions
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expect(conditionsAst.length).toBe(3)
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expect(conditionsAst[1].block.children[0].text).toBe('elseif')
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expect(conditionsAst[1].block.parent).toBe(ast)
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expect(conditionsAst[2].block.children[0].text).toBe('world')
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expect(conditionsAst[2].block.parent).toBe(ast)
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})
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it('v-else directive syntax', () => {
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const ast = parse('<div><p v-if="show">hello</p><p v-else>world</p></div>', baseOptions)
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const ifAst = ast.children[0]
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const conditionsAst = ifAst.ifConditions
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expect(conditionsAst.length).toBe(2)
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expect(conditionsAst[1].block.children[0].text).toBe('world')
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expect(conditionsAst[1].block.parent).toBe(ast)
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})
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it('v-else-if directive invalid syntax', () => {
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parse('<div><p v-else-if="1">world</p></div>', baseOptions)
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expect('v-else-if="1" used on element').toHaveBeenWarned()
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})
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it('v-else directive invalid syntax', () => {
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parse('<div><p v-else>world</p></div>', baseOptions)
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expect('v-else used on element').toHaveBeenWarned()
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})
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it('v-once directive syntax', () => {
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const ast = parse('<p v-once>world</p>', baseOptions)
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expect(ast.once).toBe(true)
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})
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it('slot tag single syntax', () => {
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const ast = parse('<div><slot></slot></div>', baseOptions)
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expect(ast.children[0].tag).toBe('slot')
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expect(ast.children[0].slotName).toBeUndefined()
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})
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it('slot tag named syntax', () => {
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const ast = parse('<div><slot name="one">hello world</slot></div>', baseOptions)
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expect(ast.children[0].tag).toBe('slot')
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expect(ast.children[0].slotName).toBe('"one"')
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})
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it('slot target', () => {
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const ast = parse('<p slot="one">hello world</p>', baseOptions)
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expect(ast.slotTarget).toBe('"one"')
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})
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it('component properties', () => {
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const ast = parse('<my-component :msg="hello"></my-component>', baseOptions)
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expect(ast.attrs[0].name).toBe('msg')
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expect(ast.attrs[0].value).toBe('hello')
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})
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it('component "is" attribute', () => {
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const ast = parse('<my-component is="component1"></my-component>', baseOptions)
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expect(ast.component).toBe('"component1"')
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})
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it('component "inline-template" attribute', () => {
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const ast = parse('<my-component inline-template>hello world</my-component>', baseOptions)
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expect(ast.inlineTemplate).toBe(true)
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})
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it('class binding', () => {
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// static
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const ast1 = parse('<p class="class1">hello world</p>', baseOptions)
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expect(ast1.staticClass).toBe('"class1"')
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// dynamic
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const ast2 = parse('<p :class="class1">hello world</p>', baseOptions)
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expect(ast2.classBinding).toBe('class1')
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// interpolation warning
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parse('<p class="{{error}}">hello world</p>', baseOptions)
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expect('Interpolation inside attributes has been removed').toHaveBeenWarned()
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})
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it('style binding', () => {
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const ast = parse('<p :style="error">hello world</p>', baseOptions)
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expect(ast.styleBinding).toBe('error')
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})
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it('attribute with v-bind', () => {
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const ast = parse('<input type="text" name="field1" :value="msg">', baseOptions)
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expect(ast.attrsList[0].name).toBe('type')
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expect(ast.attrsList[0].value).toBe('text')
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expect(ast.attrsList[1].name).toBe('name')
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expect(ast.attrsList[1].value).toBe('field1')
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expect(ast.attrsMap['type']).toBe('text')
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expect(ast.attrsMap['name']).toBe('field1')
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expect(ast.attrs[0].name).toBe('type')
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expect(ast.attrs[0].value).toBe('"text"')
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expect(ast.attrs[1].name).toBe('name')
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expect(ast.attrs[1].value).toBe('"field1"')
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expect(ast.props[0].name).toBe('value')
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expect(ast.props[0].value).toBe('msg')
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})
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it('attribute with v-on', () => {
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const ast = parse('<input type="text" name="field1" :value="msg" @input="onInput">', baseOptions)
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expect(ast.events.input.value).toBe('onInput')
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})
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it('attribute with directive', () => {
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const ast = parse('<input type="text" name="field1" :value="msg" v-validate:field1="required">', baseOptions)
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expect(ast.directives[0].name).toBe('validate')
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expect(ast.directives[0].value).toBe('required')
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expect(ast.directives[0].arg).toBe('field1')
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})
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it('attribute with modifiered directive', () => {
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const ast = parse('<input type="text" name="field1" :value="msg" v-validate.on.off>', baseOptions)
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expect(ast.directives[0].modifiers.on).toBe(true)
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expect(ast.directives[0].modifiers.off).toBe(true)
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})
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it('literal attribute', () => {
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// basic
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const ast1 = parse('<input type="text" name="field1" value="hello world">', baseOptions)
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expect(ast1.attrsList[0].name).toBe('type')
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expect(ast1.attrsList[0].value).toBe('text')
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expect(ast1.attrsList[1].name).toBe('name')
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expect(ast1.attrsList[1].value).toBe('field1')
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expect(ast1.attrsList[2].name).toBe('value')
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expect(ast1.attrsList[2].value).toBe('hello world')
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expect(ast1.attrsMap['type']).toBe('text')
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expect(ast1.attrsMap['name']).toBe('field1')
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expect(ast1.attrsMap['value']).toBe('hello world')
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expect(ast1.attrs[0].name).toBe('type')
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expect(ast1.attrs[0].value).toBe('"text"')
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expect(ast1.attrs[1].name).toBe('name')
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expect(ast1.attrs[1].value).toBe('"field1"')
|
|
expect(ast1.attrs[2].name).toBe('value')
|
|
expect(ast1.attrs[2].value).toBe('"hello world"')
|
|
// interpolation warning
|
|
parse('<input type="text" name="field1" value="{{msg}}">', baseOptions)
|
|
expect('Interpolation inside attributes has been removed').toHaveBeenWarned()
|
|
})
|
|
|
|
if (!isIE) {
|
|
it('duplicate attribute', () => {
|
|
parse('<p class="class1" class="class1">hello world</p>', baseOptions)
|
|
expect('duplicate attribute').toHaveBeenWarned()
|
|
})
|
|
}
|
|
|
|
it('custom delimiter', () => {
|
|
const ast = parse('<p>{msg}</p>', extend({ delimiters: ['{', '}'] }, baseOptions))
|
|
expect(ast.children[0].expression).toBe('_s(msg)')
|
|
})
|
|
|
|
it('not specified getTagNamespace option', () => {
|
|
const options = extend({}, baseOptions)
|
|
delete options.getTagNamespace
|
|
const ast = parse('<svg><text>hello world</text></svg>', options)
|
|
expect(ast.tag).toBe('svg')
|
|
expect(ast.ns).toBeUndefined()
|
|
})
|
|
|
|
it('not specified mustUseProp', () => {
|
|
const options = extend({}, baseOptions)
|
|
delete options.mustUseProp
|
|
const ast = parse('<input type="text" name="field1" :value="msg">', options)
|
|
expect(ast.props).toBeUndefined()
|
|
})
|
|
|
|
it('pre/post transforms', () => {
|
|
const options = extend({}, baseOptions)
|
|
const spy1 = jasmine.createSpy('preTransform')
|
|
const spy2 = jasmine.createSpy('postTransform')
|
|
options.modules = options.modules.concat([{
|
|
preTransformNode (el) {
|
|
spy1(el.tag)
|
|
},
|
|
postTransformNode (el) {
|
|
expect(el.attrs.length).toBe(1)
|
|
spy2(el.tag)
|
|
}
|
|
}])
|
|
parse('<img v-pre src="hi">', options)
|
|
expect(spy1).toHaveBeenCalledWith('img')
|
|
expect(spy2).toHaveBeenCalledWith('img')
|
|
})
|
|
|
|
it('preserve whitespace in <pre> tag', function () {
|
|
const options = extend({}, baseOptions)
|
|
const ast = parse('<pre><code> \n<span>hi</span>\n </code><span> </span></pre>', options)
|
|
const code = ast.children[0]
|
|
expect(code.children[0].type).toBe(3)
|
|
expect(code.children[0].text).toBe(' \n')
|
|
expect(code.children[2].type).toBe(3)
|
|
expect(code.children[2].text).toBe('\n ')
|
|
|
|
const span = ast.children[1]
|
|
expect(span.children[0].type).toBe(3)
|
|
expect(span.children[0].text).toBe(' ')
|
|
})
|
|
|
|
it('forgivingly handle < in plain text', () => {
|
|
const options = extend({}, baseOptions)
|
|
const ast = parse('<p>1 < 2 < 3</p>', options)
|
|
expect(ast.tag).toBe('p')
|
|
expect(ast.children.length).toBe(1)
|
|
expect(ast.children[0].type).toBe(3)
|
|
expect(ast.children[0].text).toBe('1 < 2 < 3')
|
|
})
|
|
|
|
it('IE conditional comments', () => {
|
|
const options = extend({}, baseOptions)
|
|
const ast = parse(`
|
|
<div>
|
|
<!--[if lte IE 8]>
|
|
<p>Test 1</p>
|
|
<![endif]-->
|
|
</div>
|
|
`, options)
|
|
expect(ast.tag).toBe('div')
|
|
expect(ast.children.length).toBe(0)
|
|
})
|
|
|
|
it('parse content in textarea as text', () => {
|
|
const options = extend({}, baseOptions)
|
|
|
|
const whitespace = parse(`
|
|
<textarea>
|
|
<p>Test 1</p>
|
|
test2
|
|
</textarea>
|
|
`, options)
|
|
expect(whitespace.tag).toBe('textarea')
|
|
expect(whitespace.children.length).toBe(1)
|
|
expect(whitespace.children[0].type).toBe(3)
|
|
// textarea is whitespace sensitive
|
|
expect(whitespace.children[0].text).toBe(`
|
|
<p>Test 1</p>
|
|
test2
|
|
`)
|
|
|
|
const comment = parse('<textarea><!--comment--></textarea>', options)
|
|
expect(comment.tag).toBe('textarea')
|
|
expect(comment.children.length).toBe(1)
|
|
expect(comment.children[0].type).toBe(3)
|
|
expect(comment.children[0].text).toBe('<!--comment-->')
|
|
})
|
|
})
|
|
|